Prints only unique whole lines from stdin, regardless of line order. I now forget where I first saw this (stackoverflow?), but if I put it here I know where to find it again.
I have written some longer and more self-documenting versions, but you have to admire the elegance of this one.
Cheers,
Connie L. O'Dell
Sr. Verification Specialist
c.odell@co-consulting.net
303-641-5191
_____________________________________________
CO Consulting - Boulder, CO - http://co-consulting.net
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